The original name of this recipe is PANE CON POMODORI E CIPOLLE ROSSE This is a robustly flavoured loaf originated in Tropea in the southern Italian region of Cabria. Ripe full flavoured tomatoes are essential to its success. Choose firm red tomatoes, or leave unripe tomatoes stem-side down on a window sill to ripen. Store ripe potatoes in a dark cool place but don’t refrigerate them.